Finding the Fourth Proportional to 101,574.64, 140,189.52 and 60,736

Step by Step Solution

1. Step 1: Write the proportion equation
   101,574.64 : 140,189.52 = 60,736 : x
2. Step 2: Convert to fraction form
   101,574.64/140,189.52 = 60,736/x
3. Step 3: Cross multiply
   101,574.64x = 140,189.52 × 60,736
4. Step 4: Simplify right side
   101,574.64x = 8,514,550,686.72
5. Step 5: Solve for x
   x = 8,514,550,686.72/101,574.64
6. Step 6: Final answer
   x = 83,825.56